Class information for:
Level 1: AMMONIUM PERCHLORATE//SOLID PROPELLANT//COMPOSITE PROPELLANT

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
21 4 THERMODYNAMICS//MECHANICS//ENGINEERING, MECHANICAL 471779
525 3       PROPELLANTS EXPLOSIVES PYROTECHNICS//ENERGETIC MATERIALS//COMBUSTION EXPLOSION AND SHOCK WAVES 20829
692 2             PROPELLANTS EXPLOSIVES PYROTECHNICS//ENERGETIC MATERIALS//AMMONIUM PERCHLORATE 13461
8183 1                   AMMONIUM PERCHLORATE//SOLID PROPELLANT//COMPOSITE PROPELLANT 1307

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 AMMONIUM PERCHLORATE authKW 3452074 15% 71% 202
2 SOLID PROPELLANT authKW 393590 4% 29% 57
3 COMPOSITE PROPELLANT authKW 375066 3% 42% 37
4 AMMONIUM PERCHLORATE AP authKW 372012 1% 86% 18
5 BURNING RATE authKW 363070 5% 22% 68
6 EROSIVE BURNING authKW 271661 1% 87% 13
7 BURNING RATE CATALYST authKW 262549 1% 78% 14
8 COMPOSITE SOLID PROPELLANT authKW 231889 2% 42% 23
9 COMBUSTION EXPLOSION AND SHOCK WAVES journal 228303 13% 5% 174
10 AP HTPB authKW 192898 1% 100% 8

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Thermodynamics 24236 35% 0% 457
2 Engineering, Aerospace 19819 19% 0% 246
3 Engineering, General 13894 25% 0% 328
4 Engineering, Chemical 12709 41% 0% 540
5 Energy & Fuels 10585 30% 0% 387
6 Engineering, Mechanical 1340 11% 0% 145
7 Chemistry, Applied 1170 10% 0% 125
8 Materials Science, Multidisciplinary 804 20% 0% 264
9 Chemistry, Physical 296 13% 0% 170
10 Chemistry, Analytical 212 7% 0% 91

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SIMULAT ADV ROCKETS 115921 2% 21% 23
2 SPECIAL SUPERFINE POWDER ENGN 83922 2% 16% 22
3 MOE CHEM CHEM ENGN 60266 1% 25% 10
4 COMBUST RD SECT 48224 0% 100% 2
5 SYST ENGN TE 48224 0% 100% 2
6 ZAKLADU MAT WYSOKOENERGETYCZNYCH 48224 0% 100% 2
7 FLUID MECH INTERNAL BALLIST 32148 0% 67% 2
8 MET FUEL 32148 0% 67% 2
9 ROCKET PROP DIRECTORATE 32148 0% 67% 2
10 PROP SCI BRANCH 30998 0% 43% 3

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 COMBUSTION EXPLOSION AND SHOCK WAVES 228303 13% 5% 174
2 JOURNAL OF PROPULSION AND POWER 131714 12% 3% 157
3 PROPELLANTS EXPLOSIVES PYROTECHNICS 91108 6% 5% 79
4 COMBUSTION AND FLAME 31239 7% 1% 94
5 CENTRAL EUROPEAN JOURNAL OF ENERGETIC MATERIALS 28226 1% 6% 19
6 COMBUSTION SCIENCE AND TECHNOLOGY 11465 3% 1% 45
7 DEFENCE SCIENCE JOURNAL 9912 2% 2% 23
8 RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B 8673 2% 2% 23
9 PROCEEDINGS OF THE COMBUSTION INSTITUTE 6933 2% 1% 32
10 COMBUSTION THEORY AND MODELLING 5786 1% 2% 14

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 AMMONIUM PERCHLORATE 3452074 15% 71% 202 Search AMMONIUM+PERCHLORATE Search AMMONIUM+PERCHLORATE
2 SOLID PROPELLANT 393590 4% 29% 57 Search SOLID+PROPELLANT Search SOLID+PROPELLANT
3 COMPOSITE PROPELLANT 375066 3% 42% 37 Search COMPOSITE+PROPELLANT Search COMPOSITE+PROPELLANT
4 AMMONIUM PERCHLORATE AP 372012 1% 86% 18 Search AMMONIUM+PERCHLORATE+AP Search AMMONIUM+PERCHLORATE+AP
5 BURNING RATE 363070 5% 22% 68 Search BURNING+RATE Search BURNING+RATE
6 EROSIVE BURNING 271661 1% 87% 13 Search EROSIVE+BURNING Search EROSIVE+BURNING
7 BURNING RATE CATALYST 262549 1% 78% 14 Search BURNING+RATE+CATALYST Search BURNING+RATE+CATALYST
8 COMPOSITE SOLID PROPELLANT 231889 2% 42% 23 Search COMPOSITE+SOLID+PROPELLANT Search COMPOSITE+SOLID+PROPELLANT
9 AP HTPB 192898 1% 100% 8 Search AP+HTPB Search AP+HTPB
10 MIGRATION TENDENCY 144673 0% 100% 6 Search MIGRATION+TENDENCY Search MIGRATION+TENDENCY

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1


rank cluster_id2 link
1 18664 ENERGETIC BINDER//ENERGETIC POLYMERS//GLYCIDYL AZIDE POLYMER GAP
2 34151 EXPLOSION DELAY//ISOTHERMAL TG//METAL NITRATE COMPLEXES
3 16112 AMMONIUM DINITRAMIDE//AMMONIUM NITRATE//DINITRAMIDE
4 38338 ANIMAL HIDE//ARMAMENT POST//BLOCK CHARGES
5 17813 EXPANDING OR CONTRACTING WALLS//SOLID ROCKET MOTOR//JOURNAL OF PROPULSION AND POWER
6 5312 THERMITE//NANOTHERMITE//METAL COMBUSTION
7 24924 HYBRID ROCKET MOTOR//REGRESSION RATE//HYBRID ROCKET
8 19826 PYROTECHNICS//PYROTECH TECHNOL PROTOTYPING//PYROTECHNIC DELAYS
9 35300 INTERIOR BALLISTICS//TWO PHASE REACTIVE FLOW//BALLIST CHINA
10 1577 CL 20//PROPELLANTS EXPLOSIVES PYROTECHNICS//HMX

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